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Agenda (Fri., June 7) 8:00AO UI Demonstration 9:00Introductions to AO team 9:05AOWG Chair Selection...
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Transcript of Agenda (Fri., June 7) 8:00AO UI Demonstration 9:00Introductions to AO team 9:05AOWG Chair Selection...
Agenda (Fri., June 7)8:00 AO UI Demonstration9:00 Introductions to AO team9:05 AOWG Chair Selection9:15 Review Agenda (make changes?)9:20 Review Planned & Potential AO Projects10:30 Break10:45 Continue Project Review11:30 Discuss Other Project Ideas12:00 Lunch (in lounge)13:00 Decide on Discussion Topics & begin Discussions15:00 Break15:15 Executive Session16:15 Addition Discussions with AO Team17:00 End
Keck AO TeamAO
P. Wizinowich
AO for Interfer.C. Neyman
Software P. Stomski
LGS AO Dev.A. Contos
Science OpsD. Le Mignant
Tech SupportT. Saloga
M. Wagner
S. HartmanD. Summers
LaserJ. Chin
New hire
Future Directions
Strehl Ratio
SkyCoverage
Emissivity& Thruput
ScienceCapabilities
Operations
Characterization& Modeling
Performance Science Efficiency
Future DirectionsA. StrehlB. Sky CoverageC. Emissivity & ThroughputD. OperationsE. Science CapabilitiesF. Performance Characterization &
Modeling Other Ideas?
NGS Error Budget
Strehl Ratio0.48 / .33 / .03 @ H
Strehl Ratio
0.91 @ H
Strehl Ratio0.53 / .36 / .03 @ H
Total RMS (nm)140 / 213 / 460
AO System140 / 213 / 460
Telescope152
Science Inst.35
Field Dep.0 / 0 / 0
Measurement114 / 128 / 224
Fitting 63 / 123 / 285
Bandwidth 36 / 113 / 282
Calibration 30
Internal 20
AO Tilt (nrad)23 / 36 / 77
Segment82
ACS Noise58
Phasing50
Vibrations100
Stacking20
Centroid Anis.15 / 30 / 69
Sci Inst. Align.15
Measurement 7 / 12 / 29
Isokinetic Ang 0
Bandwidth 0 / 1 / 1
Assumptions:NGS = 2000 cntsEverything on-axis
Set A / Set B @ 30° / Set C @ 60°
Requirement:SR = 0.79 / .64 / .08 @ HFor an infinitely bright star
Windshake ?
A. Strehl Improvement1. Interferometer: vibration reduction (FY02/03)2. Telescope optical performance improvements (FY03/05) 3. K2 wavefront sensor image quality improvement (FY02/3)4. Interferometer: K1 real-time processor upgrade to Mercury
PowerPC (FY03)5. K2 IR atmospheric dispersion corrector6. K2 visible atmospheric dispersion corrector7. Multiple wavefront sensor platescales8. Gain optimization in PRC9. Better reconstructors in PRC10.NIRC2: alignment monitoring tool (if necessary)11.K2 LGS: on-axis laser projection telescope12.K2 real-time processor upgrade to Mercury PowerPC13.Increase fast tip/tilt mirror stroke
NGS Error Budget
Strehl Ratio0.48 / .33 / .03 @ H
Strehl Ratio
0.91 @ H
Strehl Ratio0.53 / .36 / .03 @ H
Total RMS (nm)140 / 213 / 460
AO System140 / 213 / 460
Telescope152
Science Inst.35
Field Dep.0 / 0 / 0
Measurement114 / 128 / 224
Fitting 63 / 123 / 285
Bandwidth 36 / 113 / 282
Calibration 30
Internal 20
AO Tilt (nrad)23 / 36 / 77
Segment82
ACS Noise58
Phasing50
Vibrations100
Stacking20
Centroid Anis.15 / 30 / 69
Sci Inst. Align.15
Measurement 7 / 12 / 29
Isokinetic Ang 0
Bandwidth 0 / 1 / 1
1
2
4
3
5
6
7
9
8
10
12
11: LGS measure-ment error
Windshake ?13
B. Sky Coverage14.K2 LGS: upgrades to AO system (FY02)15.K2 LGS: laser completion (FY02/3)16.K2 LGS: integration (FY03)17.Geometric based subaperture mapping in PRC
(FY03)18.Larger subapertures19.Lower noise wavefront sensor CCDs20.Denominator free centroiding21.Larger guide star field for wavefront sensing22.K1 LGS: laser installation23.K1 LGS: upgrades to AO system
LGS Upgrad
es Tip/tilt sensor Low bandwidth
wavefront sensor Sodium rejection Wavefront sensor &
pupil relay tracking Acquisition camera
range 3rd field steering
mirror Uplink tip/tilt to
laser
See KAON 216 for details & schedule
Laser System Completion Diagnostics & Calibrations
Polarization; diagnostic cameras (filters & shutters); Power in the Bucket; Pointing & Centering; interfaces (pressures, power)
Operations Startup & shutdown guis; verify alarm handlers;
maintenance schedules; flexure impact; stability Optical Alignment
Laser table; procedures Safety
Aircraft: mosaic radar & wide field camera systems Laser traffic control system testing
C. Emissivity & Throughput
24.Enclosure modifications to support cleanliness & lower temperatures (FY02/3)
25.Interferometer: image rotator mirror coatings (FY02/3)
26.Interferometer: cold body in reflection off IR transmissive dichroic
27.Improve image rotator alignment28.Measure current throughput & improve
coatings
D. Operations29.Interferometer: wavefront controller upgrade on
K1 & K2 (FY02)30.Interferometer: user interface reliability fix (FY02)31.Interferometer: automation (FY02/3)32.AO response to rotator slews (FY02/3)33.Observing Assistant & Support Astronomer
training (FY02/3)34.New AO operations software (FY03/4)35.UPS for AO VME crates (FY02)36.K2 LGS: aircraft safety systems for laser (FY02/3)37.K2 LGS: space command interface (if needed)
E. Science Capability38.NIRC2: spectroscopy commissioning (FY02)39.NIRC2: coronagraphy commissioning (FY02/3)40.NIRC2: calibration lamps (FY03)41.NIRC2: quicklook data reduction pipeline 42.K2 field steering mirror upgrade (for NIRC2 spectroscopy) (FY02)43.K2 LGS: AO engineering science verification (FY03)44.K2 LGS: queue scheduling45.OSIRIS: design support (FY02/4)46.OSIRIS: fold mirror (FY04)47.OSIRIS: commissioning support (FY04/5)48.OSIRIS: SHARC on K149.Interferometer: ZnSe IR transmissive dichroics for 10 um imager
(FY05)50.Interferometer: field selector mirrors for imager (FY05)
E. Science Capability51.OHANA: fiber input test (FY03)52.OHANA: fiber injection module implementation on K1&253.Improved performance on extragalactic targets54.Acquisition camera upgrade to a visible science camera55.Electronic logging of science observations (FY02?)56.IR wavefront sensor57.Differential tracking for field steering mirrors58.Next generation Keck AO CoDR59.Next generation Keck AO PDR, CDR, fab, I&T &
commissioning PSF reconstruction
F. Performance Characterization &
Modeling60.Atmospheric characterization tool (FY02)61.CfAO postdoc performance modeling &
characterization effort (FY03/4)62.Additional AO characterization & modeling
efforts